When Holling goes to eat the grits while working on the coffin, he removes his right glove, then as he takes his first bite, the glove is back on.
Chris cuts his hair in S3E15 (Democracy in America) and at beginning of this episode, Chris is seen on air with long hair again.
When Maurice is hammering a nail into the coffin he's obviously hammering it into a board with nothing behind it but air.